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<?php $decurrying = function ($arg = null, $acc = '') use (&$decurrying) { return $arg === null ? $acc : function ($arg) use (&$decurrying, $acc) { return $decurrying($arg, $acc . $arg); }; }; $result = $decurrying(1)(3)(3)(8)(); var_dump($result);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 0 passed in /in/73WR9 on line 9 and exactly 1 expected in /in/73WR9:4 Stack trace: #0 /in/73WR9(9): {closure}() #1 {main} thrown in /in/73WR9 on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 0 passed in /in/73WR9 on line 9 and exactly 1 expected in /in/73WR9:4 Stack trace: #0 /in/73WR9(9): {closure}() #1 {main} thrown in /in/73WR9 on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Warning: Missing argument 1 for {closure}(), called in /in/73WR9 on line 9 and defined in /in/73WR9 on line 4 Notice: Undefined variable: arg in /in/73WR9 on line 5 Notice: Undefined variable: arg in /in/73WR9 on line 5 string(3) "338"
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/73WR9 on line 9
Process exited with code 255.

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